2-2^4+11-2^3+15-2^2-8(-2)-20 eching

$$2 { -2 }^{ 4 } +11 { -2 }^{ 3 } +15 { -2 }^{ 2 } -8(-2)-20$$

Baholash

$$0$$

Yechim qadamlari

4 daraja ko‘rsatkichini -2 ga hisoblang va 16 ni qiymatni oling.

$$2\times 16+11\left(-2\right)^{3}+15\left(-2\right)^{2}-8\left(-2\right)-20$$

32 hosil qilish uchun 2 va 16 ni ko'paytirish.

$$32+11\left(-2\right)^{3}+15\left(-2\right)^{2}-8\left(-2\right)-20$$

3 daraja ko‘rsatkichini -2 ga hisoblang va -8 ni qiymatni oling.

$$32+11\left(-8\right)+15\left(-2\right)^{2}-8\left(-2\right)-20$$

-88 hosil qilish uchun 11 va -8 ni ko'paytirish.

$$32-88+15\left(-2\right)^{2}-8\left(-2\right)-20$$

-56 olish uchun 32 dan 88 ni ayirish.

$$-56+15\left(-2\right)^{2}-8\left(-2\right)-20$$

2 daraja ko‘rsatkichini -2 ga hisoblang va 4 ni qiymatni oling.

$$-56+15\times 4-8\left(-2\right)-20$$

60 hosil qilish uchun 15 va 4 ni ko'paytirish.

$$-56+60-8\left(-2\right)-20$$

4 olish uchun -56 va 60'ni qo'shing.

$$4-8\left(-2\right)-20$$

-16 hosil qilish uchun 8 va -2 ni ko'paytirish.

$$4-\left(-16\right)-20$$

-16 ning teskarisi 16 ga teng.

$$4+16-20$$

20 olish uchun 4 va 16'ni qo'shing.

$$20-20$$

0 olish uchun 20 dan 20 ni ayirish.

$$0$$

Omil

$$0$$